Senator Ron Wyden (D-OR) on Thursday announced the introduction of a bill aimed at curbing government mandates that call on companies to provide security vulnerabilities so that government agencies to surveil those companies’ customers.

About 50 muddy souls dragged their meager belongings out of a trash-strewn California creek bed Thursday as police and social-service workers began clearing away one of the nation's largest homeless encampments, a collection of flimsy tents and...